Machine for coating strips of lumber



June 24, 1930.

1.. F. DITTMAR MACHINE FOR COATING STRIPS OF LUMBER Filed Sept. 15,

1924 '7 Sheets-Sheet Z7721 rr/vm /a Juno; 24, 1930. F. DITTMAR MACHINE FOR COATING STRIPS OF LUMBER Filed Sept 13, 1924 7 Sheets-Sheet 2 I. F. DITTMAR MACHiNE FOR COATING STRIPS OF LUMBER Filed Sept. 15, 1924 June 24, 1930.

7 Sheets-Sheet 5 r I I i w! ,6

Nu" nmn M: g T 40 26 O [ZZZ/774417.

I. F. DITTMAR June 24, 1930.

Filed Sept. 13, 1924 7 Sheets-Sheet 4 June 24, 1930. F. DITTMAR MACHINE FOR COATING STRIPS OF LUMBER 1S 1924 7 Sheets-Sheet 5 Filed Sept.

GHQ: 11"v June 24, 1930. F. DITTMAR MACHINE FOR COATING STRIPS OF LUMBER Filed Sept. 15, 1924 7 Sheets-Sheet 6 June24, 1930. DlTTMAR 1,766,779

MACHINE FOR COATING STRIPS OF LUMBER Filed Sept. 15, 1924 7 Sheets-Sheet Ill hllillllllll Patented June 24, 1930 UNITED STATES; P'Ar ENT- oFgFiciEj i 'IRVIN r. DITTMAR, OF'WILLIAMSPORT, PEITNSYLVANIIALASSIGIYOR To rnn-cnoiiien COMPANY, or WILLIAMSPORT, PENNSYLVANIA, a CORPORATION or, PENNSYL- vnNIA' i V MACHINE FOR COATING s'rnIPsoF LUMBER Application filed September 13, 1924. Serial No. 737,528;

This invention relates to a machine for coating strips of lumber adapted to be used in connection with strip coating machines and especially to meansfor tilting the strip after it has been discharged from thefinishing machine to cause the strip to drop on the receiving table withits finished face onitop, suchas disclosed-in the patent issued October 7, 1924, to Elmer G. Dittmar, No. 1,510,

465, the object being to provide means for tilting the strip of material after it has had its face coated, sothat the strip of material will be deposited on the receiving table with block;

, its coated face on top so'as to prevent the marring of the finished face ofthe strip after I it has passed through the machine. 1 g

, Another and further'object of the invention is to provide a device which is capable of being attachedto any coating machinein which the strip of material passes through brushes and support; 7

the same on edge so asto turn the strip after ithas left the machine to bring the finished face on top as it is-delivered onto the receiving table.

Another and further ohje ct ofthe invention is to provide a device which when at- V the strip is brushed so as to remove any. foreign particlesfrom th e edge of the strip after it leaves theguideway. a e I j '1 Other and further objects and, advantages of the invention will he hereinafterset forth and: the novel featuresthereof defined by the "appended claims. In the drawings, j l a Figure 1 is a side elevationof a finishing niachine'showing the application of my iInproved construction of tilting'device thereto; Figure 2'is a side-elevation of a tilting de- V106 y Figure 3 is an end elev'ation;=

supporting roll 'of the tilting; device showing the manner of mounting the same; -i

Figure his a detailsection through a porto be finished for drivingthe buffer 6.;

Figure 9 is'aside elevation-of the supporting post;

supporting the backing roll; I

Figure. 11 is a plan view of the supporting Figure lz is a; detail side elevationof a portion of a finishing machineshowingthe application of a tilting device and cleaning 'brushes Figure 13 is an elevation of the same; F1gurey14 1s a sectlon through one of the Figure 15 is a side elevation of a su ort- I u I u I a ing post used nthis particular construction of-tilting device and w t Figure 16 is an end elevation, of the same. In. the draw ngl indicates a fraineofa strlp coating machine uponwhich is mounted Figure 10 is a top plan view-of a hlock'for:

a guideyway 2 formedof'tra cks adjiustably supported through which afstrip'of material is adapted to be. forced by feed frollers 3. e t

e Each roller is fixedonashaft A ournaled in an arm B pivotally mounted on a-vertic'ally disposed shaft" C. ni'oun-tejd in suitable jhear-, V ings. Ihe shaft C carries a gear TD which Inesheswith a 'gear E fixed on the shaftA in ordergto' rotate the feedroller when the shaft} C isgrotatedi The shaft {C has-acdepending lower end which carries abevelecl v gear 1F "meshing with: a beveled pinion "fixedon" ,clrivenshaft H5 The shaft-His 7 providedewith apulley l'over which passesv 1" a drive'belt-J carried hya pulley K fixed on .a shaft L, Ihes'haft L-ca'rriesapulley M f Lover rwhichjpes'ses a belt l t-driven by -idrive V pulley Nfg, The shaft L has apulley5L?car Figure 4 is a vertlcal section throughtheryingf belt ,0 1 Which passes over 1 pulley-v ThequppenendFofthe: shaft Cca'rries' a pulleyQ over which passesahelt R for drivthe hub 15.

ing the pulley S carried by the upper end of the agitator shaft T disposed for agitating the material-within the receptacle 5.

The strip is coated in its passage through the machine by coating receptacle 5 and is then burnished by a burnishing device 6,'the

succeeding strip serving the purpose to force out the preceding strip so that strips of material are fed continuously through the machine on edge and are finished in their passage therethrough, the above description being given so that the operation of my improved construction of tilting device when applied to a machine of this nature can be readily understood. It 1s, of course, understood that V I do not wish to limit-myself to the application of my improved construction of tilting device to any particular construction of coating machine as I am aware that with various changes, the tilting device can be applied to various forms of coating machines without departing from-the spirit of my invention.

"adapted to engage the back of the strip in its passage through-the machine, said roller being adjusted and set so as to engage theback of the strip as it passes through the guide I way.

Secured-to the post 7 is a block 11 provided with a slot in which is adjustably mounted a studshaft 12 adjusted vertically by screw 18,

the end of the stud shaft being provided with a head 14 over which is revolubly mounted a hub 15,'said stud being'provided with an oil passage 16 for feeding lubricant t0 Secured to the end of the hub is an idle roll 17 the periphery of which is preferably formed V-shaped in cross section and is adapted to" fit within the V- groove of the strip of the the same. V In the embodiment of my invention as herein shown I have illustrated and described a tilting device, especially adapted to be used in connection with a finishing machine for coating a strip of; flooring which has a material in its passage over V-shaped groove along one edge and a V-shapedtongue along the other edge and the cooperating parts are formed this shape so as to support the strip after it leaves the guide way. It is, of course, understood that I do not wish to limit myself to an idle sup porting roll with any particular construction of periphery astheshape of the'periphe'ry will be. changed to' correspond to the edge of the strip of the material which it engages.

' Secured to the opposite faces of the upper end of the post arebearing blocks 18 in which is mountedian oscillating shaft 19 locked in position therein by key 20 for preventing endwis'e movement. The oscillating shaft is provided with a transverse bore 21 intersected by a threaded bore 22 in which is mounted a thumb screw 23 for the purpose hereinafter described. w

Extending through the transverse bore 21 of the oscillating shaft 19 is alever arm 24: which is engaged by the thumb screw 23 and locked in its adjusted position. The lever arm 24 carries astud shaft 25 on which is revolubly mounted a tilting roll 26 which is held in its proper position by a handle 27 secured to the end of the stud shaft 25. The stud shaft 25 and lever arm 24 are provided with lubricating bores through which the bearing of the idle roll is'lubricated and this roll is adapted to bear on the upper edge of the strip of material as shown in Figure 3 so as to tilt the strip onthe supporting or idle 'roll 17, a vertical line drawn through the center of the idle roll' forming a pivot upon which the strip tilts by the weight of the tilting. roll- 26 so as to cause the strip of material to be'deliyered on the receiving table with its coated face up, thereby preventing the finished face of the strip from being marredorinjured in any way in being delivered from the machine. i

' The downward movement of the tiltingroll is checked by an adjustable set screw 28 and this roll is set so that the periphery of the same is in a position to engagethe upper edge of thestrip without retarding the movement of the strip through the machine.

In order to provide means for keeping the face of the tilting roll' clean, I secure to the lever arm 24 a post 29 on which is mounted a pivotal lever 30 carrying a scraper 31 which has a shearing action on the face of the tilting roll26f In the embodiment of my invention as shown in Figures 12 to 16 I secure to the bed of themachine a post-7 constructed to en from a driving shaft ofthe machine so that the edges of the strip will be cleaned before it reaches the tilting device, said brushes being 'adapted'to rotate in the reversedirection to the movementof'the strip. Y

Thebrus'h supports are mounted on bearings of the posts 36 and through the adjustable links.37 and 38 working through an angle plate 39 from the handle 10 in which the links and 38 are threaded, they can be ad usted so as to compensate for the wear to set the brushes inthe proper position to engage the edges of thestrip of coated material 2 in its passage through the machine. This provides means'for setting the brushes properly and to tak'eup wear so that the edges of the'strip'will be thoroughly cleaned. r I

Secured to the post 7" is a block 8 provided with an excentric pin 9' on which is mounted a-backing up roller 10 adapted to engage the back of the strip in its passage through the machine.

Fixed to the post 7 is a block 11 having a slot in which is adjustably mounted a stud shaft 12 held in its adjusted position byscrew 18. The end of the stud shaft is provided with a head 14 over which is revolubly mounted a hub 15. Fixed on the end of the head is an idle roll 17 having a periph= ery corresponding to the shape of the lower edge of the material passing through the machine.

Mounted in the upper end of the post 7 is an oscillating shaft 19 locked in position by a key 20 for preventing endwise'movement. The shaft 19' is provided with a transverse bore throughwhich lever arm 24 extends'carrying stud shaft 25 on which is mounted a tilting roll 26 and operates in substantially the same manner as described in the preferred form. V

The operation and manner of mounting the tilting device is substantially the same as shown, in the preferred embodiment I of my lnvention with the exception ofthe different shaped post 7, which provides means for placing between the ends of the guideway and the rollers of the tilting device, brushes for cleaning'the edges of the material. p

As the construction of the various-rollers of the tilting device as shown in Figure 13 is substantially the same as shown in Figures 2 and S, the same has notbeeu described in detail as the operation is identical and the strip of material in its passage through the machine pivots on the supporting roll and is titled by the tilting roll so as to turn the strip over on its side with the finished face up. V In all of the embodimentsof my invention as herein shown a tilting roll carried byan oscillating shaft so that theweight of the roll bears on the edge of the strip of material in its passage through the machine and as the tilting roll is arranged atan angle, the pushing action of the roll has a tendency-to tilt the strip on the pivot of the'supporting roll so as to cause thest-rip to drop face upward on the receiving table of the-machine. From the foregolng description it will be seen that Ihave provided a tilting device for a finishing machine wherein a pivotally supported roll is held intoengagement with the upper edge of a strip of material {by grav ity so as to 'eXert pressure on the edge of'the strip as the same is released from the support-- ,ing means of the machine in order to turn, the strip with its unfinished face downwardly as it drops upon'the receiving table of the machine. g y I. c

It also will be seen that I have provided means for supporting the strip after it leaves for turning its guiding means so as to allow the strip to 1' turn by the'pressure of the tilting roller.

- While I haveshown certain details o-f'con'- struction andimanner of'mounting the tilting 7 device on the finishing machine, it is, of course, understood that I do not wish to limit mysel'fto these details of construction as they can be varied to suit the various makes of machines and there-foreI reserve the right to make various changes. 1 w

While in the drawing and specification I have shown and described a tilting device especially adapted'to be used in connection with a coating machine, it is,'of course, understood that the'tiltin'g device can be used-tin connection with other machines,"such as the Yates Miller, or any other machine where it is desired to have the strip delivered from the machine with one of its faces uppermost and thereforeI do not wish to limit myself to the use of my improved construction of tilting device to anvpar-ticular forrn o'f'machine.

at the delivery end of said machine, said roller being arranged to bearon thestrip as it is deliveredithere'fromvto turn the strip with its finished face upward as it is delivered on the receiving'table of the machine. i 3. The combinatlon with a. machine for finishing strips oflumber havingnieans for guiding and propelling the strip therethrough on edge, of aroller disposed beyond said guiding-means for supporting the strip 2 after it leaves said guiding means and a tilting' roller disposed to engage the 'stripabo've I said supporting roller for turning thestrip as it is discharged from said machine.

'A'machine for coating strips of lumber having means for guiding strip on edge, a supporting roller disposed beyond said guiding; means, and a gravity 7 tilting roller adapted to engage the upper 'cnds ofsaid strip for tilting 'saidstripra's it is discharged from said machine v a I v 5. A device of the kind described comprise mg a supporting post having a supporting idle roller and a pivotally mounted tilting roller y a 6. The combination with a machine for coating strips havingmeans for guiding and propelling the strip onedge in itsp-as'sage' therethrough,ofa supporting ro'ller'arranged' beyond said guiding-means and a tilting roller arranged above 1 said supporting .means" adaptedto'cengage the upperendsrofthe strip 7 aid strip as itisdischarged from saidimachinjef, a

1 7 The combination withalmachine of the kind described,'of a post secured tothe base of the machine, a block carried by said post, a backing up roll carried by said block, a

second block carried by said post, a supporting idle roller adjustably mounted in said block, bearings carried by the upper end of 7 said pst,'an oscillating shaft mounted in said bearings, a lever arm adj ustably mounted in said oscillating shaft and a tilting roller carried by said lever arm.

8. The combination with a machine of the kind described, of a post secured to the base of the machine, a block carried by said post, a backing up roll carried by said block, a second block carried by said post, a supporting idle roller adustably mounted in said block, bearings carried by the upper end of said post, an oscillating shaft mounted in said bearings, a lever arm adjustably mounted in said oscillating shaft, a tilting roller carried by said lever arm, and means 7 for limiting the downward novement of said tilting roller.

'9. The combination with a machine of the kind described having means for guiding and propelling the strip on edge in its passage therethrough, of a post carried by the base 7 of the machine, a block carried by said post,

an idle roller adjustably carried by said block, bearings carried by-said post, an oscillating-shaft mounted in said bearings, a lever arm carried by said oscillating shaft, a tilting roller carried by said lever arm and'me'ans for limitingthe downward movement of said tilting roller. a

10. A machine of the kind described having means for guiding and propelling the strip on edge in its passage therethrough, a post carried by said machine having a block, an idle roller carried by said block for supporting the strip afterit leaves the guiding means and a revoluble roller carried by an I tilting roller arranged to engage the upper "c0 edge of the strip for turning the strip asit oscillating. shaft for engaging the upper edge of said strip. V

11. A machine of the kind described having a guide way and means for propelling the strip through said guide way, means for supporting the strip as it is discharged from said guide way and means forv turning the strip so as to deposit the coated face of the strip uppermost on the receiving-table of said machine.

12. A machine of the kind described having 4 means for propelling and guiding a strip on edge in its passage therethrough, of an idle roller having a peripheral edge correspond ing to the edge of the strip forsupporting said strip beyond sald guiding means and a is discharged from said machine.

In testimony whereof I hereuntoafiix my slgnature. H

pIRvIn F. DITTMAR; 

